Engine Mechanical:
        
        
            Engine assembly, cylinder head, pistons, crankshaft, camshaft, timing system, lubrication system, cooling system
        
     
    
        
            Engine Performance:
        
        
            Fuel delivery, ignition system, emissions control, engine diagnostics
        
     
    
        
            Transmission Manual:
        
        
            Clutch, gearbox assembly, gear shifting mechanisms, internal components
        
     
    
        
            Transmission Automatic:
        
        
            Torque converter, transmission hydraulics, gear sets, electronic controls (if applicable to specific engine/model)
        
     
    
        
            Transfer Case:
        
        
            Operation, maintenance, overhaul, specific to 4WD systems
        
     
    
        
            Axles And Differentials:
        
        
            Front and rear axle assemblies, differential gears, bearing adjustments, lubrication
        
     
    
        
            Suspension Front:
        
        
            Leaf spring removal/installation, shock absorber replacement, steering knuckle service
        
     
    
        
            Suspension Rear:
        
        
            Leaf spring removal/installation, shock absorber replacement, axle housing service
        
     
    
        
            Steering System:
        
        
            Steering column, steering gearbox, power steering pump and hoses, tie rods, steering linkage
        
     
    
        
            Brake System:
        
        
            Disc brake calipers, pads, rotors, master cylinder, brake booster, hydraulic lines, parking brake
        
     
    
        
            Electrical System Battery:
        
        
            Battery testing, charging system (alternator, regulator)
        
     
    
        
            Electrical System Lighting:
        
        
            Headlights, taillights, interior lighting, wiring
        
     
    
        
            Electrical System Ignition:
        
        
            Spark plugs, ignition coils, distributor (if applicable), ignition control module
        
     
    
        
            Electrical System Accessories:
        
        
            Wipers, horn, power windows, door locks, radio, dashboard instruments
        
     
    
        
            HVAC System:
        
        
            Air conditioning system components, heater core, blower motor, controls, refrigerant service
        
     
    
        
            Fuel System Tank:
        
        
            Fuel tank, fuel pump, fuel filter, fuel lines
        
     
    
        
            Exhaust System Components:
        
        
            Exhaust manifold, catalytic converter, muffler, tailpipe, hangers
        
     
    
        
            Body Panel Repair:
        
        
            Fenders, doors, hood, tailgate, quarter panels, structural components
        
     
    
        
            Interior Trim Replacement:
        
        
            Seats, dashboard, door panels, carpet, headliner
        
     
    
        
            Exterior Trim Replacement:
        
        
            Bumpers, grille, mirrors, moldings, emblems
        
     
    
    
        
            Scheduled Maintenance:
        
        
            Oil changes, filter replacements, fluid checks, tire rotations, inspections
        
     
    
        
            Engine Overhaul:
        
        
            Complete engine disassembly, inspection, repair, and reassembly
        
     
    
        
            Transmission Repair:
        
        
            Clutch replacement, gear synchronization repair, internal component replacement
        
     
    
        
            Brake System Repair:
        
        
            Brake pad/shoe replacement, rotor resurfacing/replacement, caliper/wheel cylinder overhaul, brake fluid bleeding
        
     
    
        
            Suspension Component Replacement:
        
        
            Shock absorber, strut, ball joint, tie rod end, control arm, leaf spring replacement
        
     
    
        
            Electrical Troubleshooting:
        
        
            Diagnosis of electrical faults, wiring harness repair, component testing
        
     
    
        
            HVAC System Service:
        
        
            Refrigerant recharge, leak detection, component replacement (compressor, condenser, evaporator)
        
     
    
        
            Diagnostics And Testing:
        
        
            Diagnostic trouble codes (DTCs) interpretation, component testing procedures, performance diagnostics
        
     
    
        
            Tune Up Procedures:
        
        
            Spark plug replacement, ignition timing adjustment, idle speed adjustment
        
     
    
        
            Body And Chassis Alignment:
        
        
            Wheel alignment specifications and procedures
        
     
    
        
            Interior And Exterior Trim Installation:
        
        
            Guidelines for fitting and securing trim components
        
     
    
    
        
            Depth:
        
        
            Comprehensive (covers basic maintenance to major overhauls and diagnostics)
        
     
    
        
            Diagnostic Procedures:
        
        
            Detailed troubleshooting charts and step-by-step diagnostic routines
        
     
    
        
            Repair Instructions:
        
        
            Step-by-step repair instructions with torque specifications, diagrams, and illustrations
        
     
    
        
            Technical Specifications:
        
        
            Detailed specifications for all major vehicle components and systems
        
     
    
        
            Troubleshooting Guides:
        
        
            Specific guides for identifying and resolving common and uncommon issues
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Every 3,000 miles or 3 months (severe duty/off-road use recommended)
        
     
    
        
            Engine Oil Filter:
        
        
            Replace with every oil change
        
     
    
        
            Air Filter Replacement:
        
        
            Every 15,000 miles or 12 months
        
     
    
        
            Spark Plug Replacement:
        
        
            Approx. 30,000 miles for standard plugs, longer for platinum/iridium
        
     
    
        
            Coolant Flush:
        
        
            Every 30,000 miles or 2 years
        
     
    
    
        
            Engine Oil Type 2 5L:
        
        
            API SG/SH, SAE 10W-30
        
     
    
        
            Engine Oil Type 4 0L:
        
        
            API SG/SH, SAE 10W-30
        
     
    
        
            Coolant Type:
        
        
            Ethylene Glycol based coolant (Chrysler MS-6729 or equivalent)
        
     
    
        
            Transmission Fluid Manual:
        
        
            API GL-4, SAE 75W-90 Gear Oil
        
     
    
        
            Transmission Fluid Automatic:
        
        
            Chrysler ATF+3 (or equivalent)
        
     
    
        
            Transfer Case Fluid:
        
        
            ATF+3 (for NP231) or SAE 75W-90 (for some NP242 if equipped)
        
     
    
    
    
        
            Yj Common Issues:
        
        
            Leaf spring breakage (rear), differential leaks, heater core failures, radiator leaks, exhaust manifold cracks (especially 4.0L), clutch wear, aging rubber bushings and seals, interior water leaks.